A local coil for magnetic resonance imaging is disclosed herein. The local coil includes an electrical circuit arrangement and a coaxial cable with an internal conductor and an external conductor surrounding the internal conductor. The two ends of the coaxial cable are connected to the electrical circuit arrangement and the internal conductor and the external conductor together form an antenna loop. The internal conductor and/or the external conductor has at least one interruption and the at least one interruption divides the internal conductor and/or the external conductor into at least two separate segments in each case.

Asymmetric, single-channel radio frequency (“RF”) coils are provided for use with portable or other low-field magnetic resonance imaging (“MRI”) systems. In general, the asymmetric, single-channel RF coils make use of asymmetric, optimized winding configurations in order to reduce B1+ inhomogeneities and to reduce signal sensitivity outside of the desired imaging field-of-view (“FOV”).

The present disclosure relates to a head-dedicated magnetic resonance imaging (MRI) device, wherein a head-dedicated image is acquired in a state in which a head of a subject is positioned in a center of a magnetic field of a main magnet installed in a housing, a local coil manufactured in in the form of being inserted into or worn in a human body of the subject is utilized to acquire an image of a selected portion to be examined (for example, an oral region, an ear region, and an eye region) of the head, or a vibration absorber installed around the housing absorbs vibrations caused by the Lorentz force generated by a magnetic field of the main magnet and a current applied to a gradient coil while the image is acquired in a state in which the housing is hung on an installation frame.

Methods and apparatus associated with producing a quantification of differences associated with biochemical recurrence (BcR) in a region of tissue demonstrating prostate cancer (PCa) are described. One example apparatus includes a set of logics, and a data store that stores a set of magnetic resonance (MR) images acquired from a population of subjects. The set of logics includes an image acquisition logic that acquires a diagnostic image of a region of tissue in a patient demonstrating PCa, a morphology logic that extracts a shape feature, a volume feature, or an intensity feature from the diagnostic image or from a member of the set of MR images, a differential atlas construction logic that constructs a statistical shape differential atlas from the set of MR images, and a quantification logic that produces a quantification of differences based on the shape feature, the volume feature, or the intensity feature, and the differential atlas.

In a method and magnetic resonance (MR) apparatus for generating a combined MR image of an examination object, a first image data record of an examination object, generated from magnetic resonance data recorded with a first reception coil, is loaded into a computer. A second image data record of the examination object, generated from magnetic resonance data recorded with a second reception coil, wherein the first and the second reception coils are different reception coils, is also loaded into a computer. At least one interim image data record is generated by the computer by applying a mask function to the first and/or second image data record. An interim image data record is combined in the computer with the image data record to which no mask function was applied, or with the other interim image data record, to form a combined MR image.

An exemplary coil arrangement can be provided, which can include, for example, coil element(s) having a parallel resonant circuit at a port, where the coil element(s) is detuned by causing a low impedance at the port. Pre-amplifier arrangements can provide a low impedance at the port of the coil element(s) to suppress the induced current on the coil element(s) thereby reducing the inductive coupling to neighboring element(s). The coil element(s) can include an inductance and a capacitance which cancel each other out. The inductance and the capacitance can cancel each other out such that an impedance of the coil element has no imaginary part at a working frequency. An impedance of the coil element(s) in free space includes a real part that can be greater than a sum of losses for the coil element(s).

Provided herein are systems, devices, and methods to facilitate imaging an infant using a magnetic resonance imaging (MRI) device. A system for facilitating imaging an infant using an MRI device is provided herein, the system comprising a radio frequency (RF) coil assembly configured to be coupled to the MRI device and comprising a first RF coil configured to transmit RF signals during MRI and/or be responsive to MR signals generated during MRI and a helmet for supporting at least a portion of the infant's head, and an infant support to support at least a portion of the infant's body and configured to be coupled to the RF coil assembly. Further provided is an apparatus for coupling an infant support to an MRI device.

The present disclosure may provide a coil assmebly configured to transmit or receive a magnetic resonance (MR) signal. The coil assembly may include a coil, a support component, and a lock mechanism. The coil may include a first portion and a second portion detachably connected to the first portion. The support component may be configured to support the coil. The second portion of the coil may be movable with respect to the support component. The lock mechanism may be configured to lock or unlock the second portion of the coil and the support component.

An adjustable head coil system and methods for enhancing and/or optimizing magnetic resonance imaging, involving a housing, the housing having at least one portion, the at least one portion having a lower portion, an upper portion, and opposing side portions, each at least one portion optionally in movable relation to any other portion for facilitating adjustability, each at least one portion configured to accommodate at least one radio-frequency coil, and the upper and lower portions each optionally configured to overlap and engage the opposing side portions for facilitating decoupling the at least one radio-frequency coil, and a tongue portion optionally in movable relation to any other portion for facilitating adjustability, engageable with the lower portion, and fixably couple-able with a transporter.

A magnetic resonance tomography (MRT) local coil includes at least two parts that may be moved relative to one another. At least one part of the at least two parts has elements that, in a closed state of the MRT local coil, presses directly or via pressure elements on at least one closed volume area in another part of the at least two parts. The at least one closed volume area is displaced by this in the closed state of the local coil into a coil interior space inside the local coil until the closed volume area rests against a patient.